3-dimensional views
DESCRIPTION
3-Dimensional Views. Existing spillway construction. 3-Dimensional Views. First concrete pour inside spillway (summer 2013). 3-Dimensional Views. New concrete pier extensions (summer 2014). This work takes place “in the dry” behind a sheet pile cofferdam. 3-Dimensional Views. - PowerPoint PPT PresentationTRANSCRIPT
3-Dimensional ViewsExisting spillway construction
3-Dimensional ViewsFirst concrete pour inside spillway (summer 2013)
3-Dimensional ViewsNew concrete pier extensions (summer 2014)
This work takes place “in the dry” behind a sheet pile cofferdam
3-Dimensional ViewsStoplogs are placed between piers & rest on new concrete sills
Once stoplogs are in place water levels can be returned to normal
3-Dimensional ViewsConstruction work taking place between 2015 and 2016
More concrete is poured in the
base of the spillway
Existing gate and bridge are removed
3-Dimensional ViewsConstruction work taking place between 2015 and 2016
Concrete rollaway slabs and most of upstream barrel arches are removed
3-Dimensional ViewsConstruction work taking place between 2015 and 2016
New concrete crest is poured
3-Dimensional ViewsConstruction work taking place between 2015 and 2016
Concrete overlay is placed over entire pier structure
3-Dimensional ViewsConstruction work taking place between 2015 and 2016
New bridge is constructed
3-Dimensional ViewsTobacco Spillway to be completed in 2016
New gate is installed and stoplogs are removed
3-Dimensional Comparison
Existing spillway Modified spillway